Purchase Gas Water Heaters
Residential & Commercial
Rheem & Any Gallon Size.
WJ McNabb Plumbing brings four decades of water heater expertise to your Pittsburgh home. Our master plumbers install both traditional tank and tankless gas water heaters built for Pittsburgh’s unique needs.
Hiring WJ McNabb Plumbing
Get 8 to 10 years from Your Gas Water Tank
Gas twater heater tanks serve families reliably for 8-10 years, while tankless units deliver hot water for 20+ years or more. The U.S. Department of Energy confirms new gas water heaters run 34% more efficiently than older models – saving you money every month on utility bills.
Your water heater choice matters. Our Pittsburgh plumbers help you select the perfect unit based on:
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- Your family’s daily hot water needs
- Available space in your home
- Energy efficiency ratings
- Long-term cost savings
Let WJ McNabb Plumbing show you the right water heater for your Pittsburgh home. All our installations come with our 100% satisfaction guarantee.

Choose Your Perfect Gas Water Heater

No hot water? Call us at (412) 388-2512 for an estimate!
After 40 years serving Pittsburgh homes, WJ McNabb Plumbing knows which water heaters stand up to our city’s demands. We install Rheem, a trusted brand that delivers reliable hot water year after year:
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- Rheem – Built with premium insulation and advanced heat transfer technology
McNabb’s Pittsburgh Family Size Guide
Your Family | Tank Size You Need |
1-2 people | 30 gallons |
3-4 people | 40-75 gallons |
5+ people | 75+ gallons |
A family of four needs 40-75 gallons, while couples do well with 30 gallons. Think about your busiest mornings – when showers, breakfast dishes, and laundry all happen at once. That peak time tells us exactly what size your home needs.
Need help picking the right size? Call WJ McNabb Plumbing at (412) 388-2512. We’ll match your family with the perfect water heater, guaranteed.
Understanding Efficiency Ratings
Standard gas water heaters rate between 0.59 and 0.65 UEF. Higher numbers mean lower gas bills for your family. We’ll help you pick the perfect balance of efficiency and value.
Quality Features We Trust
Our Pittsburgh plumbers recommend these essential features:
- Glass-lined tanks that fight bacteria
- Thick insulation for Pittsburgh winters
- Built-in heat traps that save energy
- Self-cleaning systems for longer life
- Precise temperature controls

Expert Gas Water Heater Installation
Your Premier Pittsburgh Plumber for Safe, Professional Service
Trust WJ McNabb Plumbing to handle your water heater installation right. Our plumbing technicians pull all required Allegheny County permits and follow strict safety protocols to protect your family.
Our Installation Steps
We treat your home like our own through every step:
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- Correct sizing for proper unit
- Safe removal of old unit
- Precise positioning
- Thorough testing
- Most installations take 2-3 hours. Some homes need extra time for gas line work or venting changes.
Emergency Service When You Need It
No hot water? Call before noon for same-day installation. Our emergency service includes:
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- Fast arrival at your door
- All permits and inspections handled
- Complete safety testing
- Gas line inspection
- Proper vent testing
- Safety valve installation and testing
Every installation includes our 100% satisfaction guarantee. Our plumbers wear the “Technician Seal of Safety” – your assurance of clean, professional work from background-checked experts.
WJ McNabb Plumbing serves Pittsburgh zip codes 15136, 15204, 15205 and surrounding areas. Let our family-owned business show you why we’re Pittsburgh’s trusted water heater experts.
Protect Your Water Heater Investment
WJ McNabb Plumbing helps Pittsburgh families save money on water heater installations. Right now, homeowners can claim:
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- 30% federal tax credit up to $2000.00 for energy-efficient units
- $150.00 utility rebates (check with your local utility company)
Get Your Tax Credits
Your new water heater needs these efficiency ratings:
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- Tank units: 0.81 UEF or higher (under 55 gallons)
- Tankless units: 0.95 UEF or higher
Make Your Water Heater Last
Our Pittsburgh plumbers help your water heater run strong for 8-12 years. We recommend:
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- Yearly tank flushing
- Safety valve checks yearly
- Regular gas line safety checks
Protect Your Warranty
Most water heaters come with 6-12 year coverage. To keep your warranty valid:
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- Register within 30 days
- Save maintenance records
- Use our certified plumbers for repairs
In addition, you can have a LIFETIME WARRANTED water heater by enrolling in our Lifetime Diamond Club.
Trust Your Water Heater to Pittsburgh’s Family Plumbers
Your Premier Pittsburgh Plumber Since 1983
For over 40 years, Pittsburgh families trusted WJ McNabb Plumbing with their water heater needs. Our second-generation family business stands ready to serve you with the same care we’d give our own home.
Every McNabb plumber wears the “Technician Seal of Safety” – your guarantee of clean, professional work from background-checked experts. We treat your Pittsburgh home like our own, delivering:
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- Clear, honest pricing upfront
- Complete safety testing
- Free yearly water heater flush
- Same-day emergency service
Our plumbers protect your home with boot covers and drop cloths, clean thoroughly after work, and properly dispose of old units. We test every connection, verify proper venting, and ensure your family’s safety.
WJ McNabb Plumbing proudly serves Pittsburgh zip codes 15136, 15204, 15205 and surrounding neighborhoods.
Don’t wait for cold showers – call Pittsburgh’s trusted family plumbers at (412) 388-2512.
No hot water? Call to schedule an estimate!
Are you postponing repairs because of the cost? Our licensed professionals guarantee high-quality service, upfront pricing, and 100% satisfaction. On top of all of this – we are family budget friendly.